package com.yungam.iot_exe;

import org.mybatis.spring.annotation.MapperScan;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.cors.CorsConfiguration;
import org.springframework.web.cors.UrlBasedCorsConfigurationSource;
import org.springframework.web.filter.CorsFilter;

@SpringBootApplication(scanBasePackages = "com.yungam")
@MapperScan("com.yungam.iot_exe.mapper")
public class IotExeMain {
    public static void main(String[] args) {
        SpringApplication.run(IotExeMain.class, args);
    }

    @Configuration
    public class CorsConfig {
        private CorsConfiguration buildConfig() {
            CorsConfiguration corsConfiguration = new CorsConfiguration();
            corsConfiguration.addAllowedOrigin("*"); // 1允许任何域名使用
            corsConfiguration.addAllowedHeader("*"); // 2允许任何头
            corsConfiguration.addAllowedMethod("*"); // 3允许任何方法（post、get等）
            return corsConfiguration;
        }

        @Bean
        public CorsFilter corsFilter() {
            UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();
            source.registerCorsConfiguration("/**", buildConfig()); // 4
            return new CorsFilter(source);
        }
    }

}
